C313212111113331323312111133133313331333133313331333133313331333133323213232321   >>    C31321211111333132331211113313331333133313331333133313331333133313332321323232   <<    C313212111113331323312111133133313331333133313331333133313331333133323213232323   >>      C313212111113331323312111133133313331333133313331333133313331333133323213232322   >>